Specifications
9-1
9
Dimensions:
Overall length:1245 mm (49.0 in)
Overall width:
610 mm (24.0 in)
Overall height: 705 mm (27.8 in)
Seat height: 475 mm (18.7 in)
Wheelbase:
855 mm (33.7 in)
Ground clearance: 95 mm (3.74 in)
Minimum turning radius: 1.3 m (4.27 ft)
Wei ght:
Curb weight:
41 kg (90 lb)
Maximum rider weight: 25.0 kg (55 lb)
Technical permissible mass (Maximum load +
Curb weight): 66 kg (146 lb)
Noise an d vi bration level:
Noise level (77/311/EEC):
75.1 dB(A) at 2750 r/min
(PW50_AUT/BEL/CHE/CYP/CZE/DEU/DN
K/ESP/FIN/FRA/GBR/GRC/IRL/ITA/NLD/
NOR/POL/PRT/SVK/SVN/SWE/TUR)
Uncertainty of measurement: 3.0 dB(A)
(PW50_AUT/BEL/CHE/CYP/CZE/DEU/DN
K/ESP/FIN/FRA/GBR/GRC/IRL/ITA/NLD/
NOR/POL/PRT/SVK/SVN/SWE/TUR)
Vibration on seat (EN1032, ISO5008): Will not exceed 0.5 m/s²
(PW50_AUT/BEL/CHE/CYP/CZE/DEU/DN
K/ESP/FIN/FRA/GBR/GRC/IRL/ITA/NLD/
NOR/POL/PRT/SVK/SVN/SWE/TUR)
Uncertainty of measurement:
0.1 m/s²
(PW50_AUT/BEL/CHE/CYP/CZE/DEU/DN
K/ESP/FIN/FRA/GBR/GRC/IRL/ITA/NLD/
NOR/POL/PRT/SVK/SVN/SWE/TUR)
Vibration on handlebar (EN1032, ISO5008): Will not exceed 2.5 m/s²
(PW50_AUT/BEL/CHE/CYP/CZE/DEU/DN
K/ESP/FIN/FRA/GBR/GRC/IRL/ITA/NLD/
NOR/POL/PRT/SVK/SVN/SWE/TUR) Uncertainty of measurement:
0.4 m/s²
(PW50_AUT/BEL/CHE/CYP/CZE/DEU/DN
K/ESP/FIN/FRA/GBR/GRC/IRL/ITA/NLD/
NOR/POL/PRT/SVK/SVN/SWE/TUR)
Engine:
Combustion cycle:
2-stroke
Cooling system: Air cooled
Number of cylinders: Single cylinder
Displacement:
49 cm³
Bore × stroke:
40.0 × 39.2 mm (1.57 × 1.54 in)
Compression ratio: 6.0 : 1
Starting system: Kickstarter
Lubrication system:
Separate lubrication
Engine oil:
Engine oil:
YAMALUBE 2S or 2-stroke engine oil
(JASO FC grade or ISO EG-C [or EG-D]
grade)
Recommended brand: YAMALUBE
Engine oil quantity: Engine oil tank capacity: 0.30 L (0.32 US qt, 0.26 Imp.qt)
Transmission oil:
Type:
Motor oil SAE 10W-30 type SE or higher or
Gear oil SAE 85W GL-3
Quantity:
0.30 L (0.32 US qt, 0.26 Imp.qt)
Air filter:
Air filter element:Wet element
Fuel:
Recommended fuel:Regular unleaded gasoline only
Fuel tank capacity: 2.0 L (0.5 US gal, 0.4 Imp.gal)
Car buretor:
Type × quantity:
VM12SC × 1
U2SA83E0.book Page 1 Monday, July 11, 2016 2:35 PM
Specifications
9-2
9
Spark plug(s):
Manufacturer/model:
NGK/BP4HS (PW50_ZAF)
NGK/BPR4HS
(PW50_AUT/BEL/CHE/CYP/CZE/DEU/DN
K/ESP/FIN/FRA/GBR/GRC/IRL/ITA/NLD/
NOR/POL/PRT/SVK/SVN/SWE/TUR,
PW50H, PW50H2)
Manufacturer/model: DENSO/W14FP-L (PW50_ZAF)
Spark plug gap: 0.6–0.7 mm (0.024–0.028 in)
Clutch:
Clutch type:
Wet, centrifugal, shoe
Drivetrain:
Primary reduction ratio:1.909 (63/33)
Final drive:
Shaft
Secondary reduction ratio: 6.218 (19/15 x 54/11)
Chassis:
Frame type:
Backbone
Caster angle: 25.5 °
Trail: 50 mm (2.0 in)
Front tire:
Type:With tube
Size: 2.50-10 4PR
Manufacturer/model:
BRIDGESTONE/M29
Manufacturer/model: IRC/Z MARK II (PW50_ZAF, PW50H,
PW50H2)
Speed rating: 100 km/h (62 mph)
Rear tire:
Type:
With tube
Size: 2.50-10 4PR
Manufacturer/model: BRIDGESTONE/M29 Manufacturer/model:
IRC/Z MARK II (PW50_ZAF, PW50H,
PW50H2)
Speed rating: 100 km/h (62 mph)
Tire air pressure (measure d on col d
tires):
Front:
100 kPa (1.00 kgf/cm², 15 psi)
Rear: 100 kPa (1.00 kgf/cm², 15 psi)
Front wheel:
Wheel type: Panel wheel
Rim size: 10 x 1.50
Rear wheel:
Wheel type:
Panel wheel
Rim size: 10 x 1.50
Front brake:
Type:
Mechanical leading trailing drum brake
Rear brake:
Type:
Mechanical leading trailing drum brake
Front suspension:
Type:Telescopic fork
Spring: Coil spring
Shock absorber:
Hydraulic damper
Wheel travel: 60 mm (2.4 in)
Rear suspension:
Type:
Unit swing
Spring: Coil spring
Shock absorber: Hydraulic damper
Wheel travel:
50 mm (2.0 in)
Electrical system:
Ignition system:CDI
U2SA83E0.book Page 2 Monday, July 11, 2016 2:35 PM
11-1
11
Index
A
Acceleration and deceleration................ 6-3
Air filter element, cleaning .................... 7-10
Autolube pump, adjusting .................... 7-20
B
Brake lever, front .................................... 4-2
Brake lever, rear ..................................... 4-3
Brake levers, lubricating ....................... 7-20
Brake shoes, checking ......................... 7-18
Braking ................................................... 6-3
C
Cable lock (for Europe)........................... 4-9
Cables, checking and lubricating ......... 7-19
Carburetor, adjusting ........................... 7-12
Care ........................................................ 8-1
Centerstand, checking and
lubricating .......................................... 7-21
E
Engine break-in ...................................... 6-4
Engine idling speed .............................. 7-13
Engine oil ................................................ 4-6
Engine serial number............................ 10-1
Engine, starting a warm ......................... 6-2
Engine stop switch ................................. 4-1
F
Front and rear brake lever free play, adjusting ............................................ 7-17
Front fork, checking ............................. 7-21
Fuel......................................................... 4-4
Fuel cock ................................................ 4-7
Fuel tank breather hose ......................... 4-6
Fuel tank cap.......................................... 4-3
H
Handlebar switch ................................... 4-1
I
Identification numbers.......................... 10-1
K
Kickstarter .............................................. 4-8
L
Labels, location ...................................... 1-1
M
Maintenance and lubrication, periodic ... 7-4
Maintenance, emission control system.................................................. 7-3
Matte color, caution ............................... 8-1
Middle and final gear cases ................. 7-10
P
Parking ................................................... 6-4
Part locations ......................................... 3-1
Power reduction plate, removing ........... 7-7
S
Safety information................................... 2-1
Seat......................................................... 4-8
Spark arrester, cleaning ........................ 7-11
Spark plug, checking .............................. 7-6
Specifications ......................................... 9-1
Speed limiter and power reduction
plate ...................................................... 4-1
Starter (choke) lever ................................ 4-7
Starting and warming up a cold
engine ................................................... 6-1
Starting off .............................................. 6-2
Steering, checking ................................ 7-22
Storage ................................................... 8-3
T
Throttle grip and cable, checking and lubricating ........................................... 7-19
Throttle grip free play, checking ........... 7-14
Tires ...................................................... 7-14
Tool kit .................................................... 7-2
Transmission oil ...................................... 7-8
Troubleshooting .................................... 7-27
Troubleshooting chart........................... 7-28
V
Vehicle Emission Control Information label (For Canada) .............................. 10-1
Vehicle identification number ............... 10-1
W
Wheel bearings, checking..................... 7-22
Wheel (front).......................................... 7-23
Wheel (rear) ........................................... 7-24
Wheels .................................................. 7-16
U2SA83E0.book Page 1 Monday, July 11, 2016 2:35 PM
